Merge pull request #456 from darron1217/issue#455

Fix for Issue #455 (Adding support for UTF-8 slug)

Modules/Tag/Tests/Integration/TaggableTraitTest.php

@@ -3,6 +3,7 @@
 namespace Modules\Tag\Tests\Integration;
 
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
 use Modules\Page\Entities\Page;
 use Modules\Page\Repositories\PageRepository;
 use Modules\Tag\Repositories\TagRepository;
@@ -132,6 +133,26 @@ class TaggableTraitTest extends BaseTestCase
         $this->assertCount(3, Page::allTags()->get());
     }
 
+    /** @test */
+    public function it_generates_slug_like_original_str_slug()
+    {
+        $page = $this->createPage();
+
+        $this->assertEquals(Str::slug('hello world'), $page->generateTagSlug('hello world'));
+        $this->assertEquals(Str::slug('hello world'), $page->generateTagSlug('hello-world'));
+        $this->assertEquals(Str::slug('hello_world'), $page->generateTagSlug('hello_world'));
+        $this->assertEquals(Str::slug('hello_world', '_'), $page->generateTagSlug('hello_world', '_'));
+        $this->assertEquals(Str::slug('user@host'), $page->generateTagSlug('user@host'));
+    }
+
+    /** @test */
+    public function it_gets_pages_with_non_latin_tags()
+    {
+        $this->createPage(['한글 태그']);
+
+        $this->assertCount(1, Page::whereTag(['한글-태그'])->get());
+    }
+
     private function createPage(array $tags = [])
     {
         return $this->page->create([

Modules/Tag/Traits/TaggableTrait.php

@@ -204,8 +204,22 @@ trait TaggableTrait
     /**
      * {@inheritdoc}
      */
-    protected function generateTagSlug($name)
+    public function generateTagSlug($name, $separator = '-')
     {
-        return str_slug($name);
+        // Convert all dashes/underscores into separator
+        $flip = $separator == '-' ? '_' : '-';
+
+        $name = preg_replace('!['.preg_quote($flip).']+!u', $separator, $name);
+
+        // Replace @ with the word 'at'
+        $name = str_replace('@', $separator.'at'.$separator, $name);
+
+        // Remove all characters that are not the separator, letters, numbers, or whitespace.
+        $name = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', mb_strtolower($name));
+
+        // Replace all separator characters and whitespace by a single separator
+        $name = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $name);
+
+        return trim($name, $separator);
     }
 }